A
large impact
Some
impact
Little
impact
Don’t
know
No
impact
The standard of teaching at their school
61
28
4
5
2
Their intelligence
51
37
6
4
How much money their parents have
34
41
13
5
7
The area they are from
27
49
14
5
5
What kind of school they go to
26
47
16
6
6
Their ethnicity
16
39
23
7
15
Whether or not their parents went to university
11
35
27
7
20
Their gender
8
33
29
7
23
Whether or not they have siblings
4
27
33
13
24